The American Chemical Society (ACS) is a scientific organization based in the United States that focuses on advancing the knowledge and practice of chemistry. Founded in 1876, it serves over 152,000 members, including chemists, chemical engineers, and educators. The ACS promotes research, education, and professional development in the field of chemistry through various publications, conferences, and community outreach programs. The society also plays a crucial role in setting standards for chemical education and safety. It publishes several peer-reviewed journals, such as the Journal of the American Chemical Society, and organizes national meetings that bring together professionals to share their findings and collaborate on new ideas in chemistry.